<template>
  <Header></Header>
    <div class="fixed">
      <div class="bgColor">
        <h1 class="main-shopcart">购物车</h1>
      </div>
      <div class="container">
        <div class="main">
          <div class="nav">
            <span class="left">全部课程</span>
          </div>
          <ul class="head">
            <li class="item check">
              <el-checkbox 
                v-model='isChecked'
                @change='checkAll'
              >全选</el-checkbox>
            </li>
            <li class="item classInfo">课程信息</li>
            <li class="item price">单价</li>
            <li class="item count">数量</li>
            <li class="item total">金额</li>
            <li class="item function">操作</li>
          </ul>
          <div v-if="cartList.length > 0">
            <ul 
              class="haveorder"
              v-for='(item,index) in cartList'
              :key='item.id'
            >
              <li class="order-item">
                <el-checkbox 
                  v-model='item.check'
                  @change='cartStore.itemChecked(index)'
                ></el-checkbox>
              </li>
              <li class="order-item info" >
                <div class="courseimg" >
                  <img :src="item.courseCover" alt="">
                </div>
                <div class="course-name">{{item.courseName}}</div>
              </li>

              <li class="order-item">￥{{item.discountPrice}}</li>
              <li class="order-item num">{{item.counter}}</li>
              <li class="order-item totoalprice">￥{{ item.counter * item.discountPrice}}</li>
              <li class="order-item delete" @click='del(item.id)'>
                <a href="javascript:;">
                  <i class="el-icon-delete"></i>
                  <span class="deletd-text">删除</span>
                </a>
              </li>
            </ul>
          </div>
          <div class="noOrder" v-else>
            <img src="/image/norder365.png" alt="">
            <div class="order-alert">哎呦！暂无订单</div>
          </div>
          <el-divider class="line"></el-divider>
          <ul class="foot">
            <li class="foot-item">已选课程<span class="unique">{{ total.number }}</span></li>
            <li class="foot-item">合计<span class="unique">{{ total.price }}</span></li>
            <li >
              <button class="btn">去结算</button>
            </li>
          </ul>
        </div>
      </div>
    </div>
  <Foot></Foot>
</template>

<script setup>
//组件
import Header from '../components/common/Header.vue'
import Foot from '../components/common/Foot.vue'
//api
import { getShopCarList , deleteShopCar  } from '@/utils/api/cart'
import { createToken } from '@/utils/api/createToken'
//pinia
import { storeToRefs } from 'pinia';
import { useCartStore } from '@/store/cart'
let cartStore = useCartStore();
let { cartList , isChecked , total  } = storeToRefs( cartStore );
//生命周期
onBeforeMount(()=>{
  getShopCarList().then(res=>{
    cartStore.addCart( res.data.list );
    console.log( res.data.list )
  })
})

//点击选择
const checkAll = ()=>{

  if( isChecked.value ){
    //不选
    cartStore.unAll();
  }else{
    //全选
    cartStore.all();
  }
}


//element
import { ElMessageBox } from 'element-plus';
import { ElMessage } from 'element-plus';


//删除购物车数据
const del = ( id )=>{

  ElMessageBox.confirm('确定删除该课程吗？', '删除', {
    confirmButtonText: '确定',
    cancelButtonText: '取消',
    type: 'warning'
  }).then(() => {
    createToken().then(res=>{
      let token = res.data.token;
      deleteShopCar({
        id
      },token)
    })
    ElMessage.success({
      message: '删除成功!'
    });
  }).catch(() => {
    ElMessage.info({
      message: '已取消删除'
    });
  });
} 
</script>
<style scoped>
.fixed{
  width: 100%;
  height: 100%;
  background: #FFFFFF;
}
.bgColor{
  width: 100%;
  height: 200px;
  background-color: red;
  background: linear-gradient(-45deg, #ee7752, #e73c7e, #23a6d5, #23d5ab);
  background-size: 400% 400%;
  animation: gradient 15s ease infinite;
}
@keyframes gradient {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}
.container{
  width: 1200px;
  margin: -100px auto 50px auto;
  background: #EBEDF2;
  border-radius: 12px;
  box-shadow: 0px 2px 5px #888888;
}
.main{
  padding:20px;
  border-radius: 5px;
}
.main-shop{
  position: relative;
  display: flex;
  align-content: center;
}
.main-shop i{
  font-size: 35px;
  padding: 20px 10px 0 0;
  color: #FF4400;
  font-weight: bold;
}
.main-shopcart{
  width: 1200px;
  margin: 0 auto;
  height: 42px;
  font-size: 24px;
  font-family: Microsoft YaHei;
  font-weight: bold;
  line-height: 35px;
  color: #FFFFFF;
  padding: 30px 0;
  opacity: 1;
}
.nav{
  display: flex;
  justify-content: space-between;
  border-bottom: 2px solid #E6E6E6;

}
.nav .left{
  width: 80px;
  height: 26px;
  font-size: 18px;
  font-family: Microsoft YaHei;
  font-weight: bold;
  line-height: 0px;
  color: #FF4400;
  opacity: 1;
  border-bottom: 2px solid #FF4400;
}
.nav .right{
  width: 108px;
  height: 24px;
  font-size: 14px;
  font-family: Microsoft YaHei;
  font-weight: 400;
  line-height: 0px;
  color: #333333;
  opacity: 0.5;
}

/* 头部开始 */
.head{
  display: flex;
  padding: 0 10px;
  margin: 20px 0;
  width: 100%;
  height: 35px;
  line-height: 35px;
  background: #FCFCFC;
  opacity: 1;
  border-radius: 0px;
  box-sizing: border-box;
  border-radius: 5px;
  box-shadow: 0px 2px 5px 2px #cccccc;
}
.head .item{
  width: 150px;
  font-size: 14px;
  color: #333333;
}
.check .all{
  margin-right: 10px;
}
.check .text{
  width: 1487px;
  height: 40px;

}
.classInfo{
  width: 400px!important;
  color: #333333;
}
/* 头部结束 */

/* 订单开始 */
.haveorder{
  display: flex;
  width: 100%;
  height: 200px;
  background: #FCFCFC;
  margin-bottom: 10px;
  border-radius: 5px;
  box-shadow: 0px 2px 5px 2px #cccccc;
}
.haveorder .order-item{
  height: 200px;
  line-height: 200px;
  margin:  5px;
}
.order-item:first-child{
  width: 30px;
}
.order-item{
  width: 150px;
  font-size: 16px;
  color: #333333;
}
.totoalprice{
  color: #E2231A;
}
.num{
  width: 120px !important;
  padding-left: 15px;
}
.info{
  display: flex;
  width: 470px !important;
  height: 200px;
  line-height: 200px;
}
.courseimg{
  margin:40px 20px 40px 0;
  width: 200px;
  height: 120px;
}
.courseimg img{
  width: 100%;
  height: 100%;
}
.info .course-name{
  width: 300px;
  word-break: keep-all;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.delete{
  cursor: pointer;
}
.deletd-text{
  margin-left: 5px;
}

/* 订单结束 */

/* 暂无订单开始 */
.noOrder{
  width: 100%;
  height: 100%;
  text-align: center;
  margin:200px 0;
}
.order-alert{
  height: 31px;
  font-size: 20px;
  font-family: Microsoft YaHei;
  font-weight: 400;
  line-height: 0px;
  color: #B5B9BC;
  opacity: 1;
  margin:20px 120px;

}
/* 暂无订单结束 */
.foot{
  display: flex;
  justify-content: flex-end;
  width: 100%;
  height: 40px;
  line-height: 40px;
  color: #333333;
  margin-bottom: 10px;
}
.foot-item{
  width: 120px;
  height: 40px;
  line-height: 40px;
  font-size: 14px;
  font-weight: 400;
  color: #333333;
}
.unique{
  margin-left: 5px;
  font-size: 24px;
  color: #FF4400;
}
.btn{
  width: 120px;
  height: 40px;
  margin-left: 20px;
  border: none;
  color: #FFFFFF;
  font-size: 22px;
  border-radius: 5px;
  background: #FF4400;
  cursor: pointer;
  box-shadow: 0px 3px 5px 2px #ff727f;
}
</style>